Gas, Acid Reflux, and Bowel Movements: A Gastrointestinal Guide - Gastroenterology and Hepatology

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Flatulence, gastric acid, bowel movement?


I don't know when it started, but after having lunch at school, I keep passing gas, while it gets much better after I go to the bathroom at home.
Why is that? This makes me very tense during class, fearing that I might pass gas audibly.
Also, why do I feel the urge to have a bowel movement as soon as I get home? Additionally, sometimes I experience a sour taste in my mouth and feel like vomiting.
Is that stomach acid? Could it be gastroesophageal reflux? Thank you, doctor, for your response! I really need assistance.

Yang, 10~19 year old female. Ask Date: 2018/03/19

Dr. Chen Shidian reply Gastroenterology and Hepatology


Hello, excessive flatulence is often due to gas produced during digestion.
Therefore, you can try to avoid gas-producing foods in your daily life.
Additionally, try to minimize talking while eating to reduce the amount of air swallowed into the stomach.
While it is impossible to completely avoid flatulence, individuals can reduce their intake of gas-producing foods such as legumes, root vegetables, cruciferous vegetables, milk, high-fat foods, and carbonated beverages based on their body constitution.
This can help lower the proportion of harmful bacteria in the intestines and prevent prolonged digestion that leads to fermentation and the production of unpleasant gases.
Changhua Hospital cares about your health.
Chen Shidian

Reply Date: 2018/03/19

More Info


It sounds like you're experiencing a range of gastrointestinal symptoms that can be quite distressing. Let's break down your concerns regarding gas, acid reflux, bowel movements, and the overall functioning of your digestive system.

Firstly, the issue of excessive gas and the need to pass gas frequently, especially after meals, can be attributed to several factors. One common cause is the ingestion of air while eating, which can happen if you eat too quickly or talk while eating. Additionally, certain foods are known to produce more gas during digestion, particularly those high in fermentable carbohydrates, such as beans, onions, and carbonated beverages. Since you mentioned that you feel better after using the restroom at home, it could be that your body is more relaxed in a familiar environment, allowing for better digestive function.

The sensation of needing to use the bathroom after eating at school but feeling relieved at home could also be linked to your body's response to stress. Many people experience gastrointestinal symptoms, including increased gas and urgency to use the restroom, when they are anxious or in a stressful environment. The school setting may create a sense of tension, making your body react differently than when you are at home.

Regarding the sour taste in your mouth and the sensation of wanting to vomit, these symptoms could indeed be indicative of acid reflux or gastroesophageal reflux disease (GERD). This condition occurs when stomach acid flows back into the esophagus, leading to symptoms such as heartburn, sour taste, and nausea. If you are experiencing these symptoms frequently, it may be worth discussing with a healthcare provider, as they can recommend lifestyle changes or medications to help manage the condition.

To address your symptoms, consider the following strategies:
1. Dietary Modifications: Pay attention to what you eat. Keeping a food diary can help identify any specific foods that trigger your symptoms. Reducing intake of carbonated drinks, high-FODMAP foods, and spicy or fatty foods may alleviate gas and reflux symptoms.

2. Eating Habits: Slow down while eating. Chewing your food thoroughly and avoiding talking while eating can help reduce the amount of air swallowed. Eating smaller, more frequent meals rather than large meals can also help.

3. Stress Management: Since stress can exacerbate gastrointestinal symptoms, incorporating relaxation techniques such as deep breathing, yoga, or mindfulness can be beneficial.

4. Physical Activity: Regular physical activity can promote healthy digestion and reduce symptoms of gas and bloating. Even a short walk after meals can aid digestion.

5. Hydration: Ensure you are drinking enough water throughout the day. Staying hydrated is essential for proper digestion and can help prevent constipation.

6. Consultation with a Healthcare Provider: If your symptoms persist or worsen, it is important to seek medical advice. A healthcare provider can perform necessary evaluations, such as endoscopy or imaging studies, to rule out any underlying conditions.

In summary, your symptoms of gas, the need to use the restroom frequently, and the sour taste in your mouth may be interconnected and influenced by dietary choices, eating habits, and stress levels. By making some lifestyle changes and consulting with a healthcare professional, you can work towards alleviating these uncomfortable symptoms and improving your overall digestive health.

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